My light stopped working when i cut the cable to the seatbelt buckle. The original buckle stopped working and i replaced it with a buckle from a 85 sel that i got from a junkyard and it didnt have the cable on the buckle so i had to cut the one from my 83SD and just mounted the new buckle in the original spot and hasnt turned on after that. and the buzz went away too. but thats a good thing for me the buzz ticks me on bad mornings.